rtc-max8997.c (4ba24fef3eb3b142197135223b90ced2f319cd53) rtc-max8997.c (a737e835e5769ef22897179ed7f82b1fc50bfa58)
1/*
2 * RTC driver for Maxim MAX8997
3 *
4 * Copyright (C) 2013 Samsung Electronics Co.Ltd
5 *
6 * based on rtc-max8998.c
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
1/*
2 * RTC driver for Maxim MAX8997
3 *
4 * Copyright (C) 2013 Samsung Electronics Co.Ltd
5 *
6 * based on rtc-max8998.c
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 */
14
15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
16
15#include <linux/slab.h>
16#include <linux/rtc.h>
17#include <linux/delay.h>
18#include <linux/mutex.h>
19#include <linux/module.h>
20#include <linux/platform_device.h>
21#include <linux/mfd/max8997-private.h>
22#include <linux/irqdomain.h>

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102 data[RTC_MIN] = tm->tm_min;
103 data[RTC_HOUR] = tm->tm_hour;
104 data[RTC_WEEKDAY] = 1 << tm->tm_wday;
105 data[RTC_DATE] = tm->tm_mday;
106 data[RTC_MONTH] = tm->tm_mon + 1;
107 data[RTC_YEAR] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0;
108
109 if (tm->tm_year < 100) {
17#include <linux/slab.h>
18#include <linux/rtc.h>
19#include <linux/delay.h>
20#include <linux/mutex.h>
21#include <linux/module.h>
22#include <linux/platform_device.h>
23#include <linux/mfd/max8997-private.h>
24#include <linux/irqdomain.h>

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104 data[RTC_MIN] = tm->tm_min;
105 data[RTC_HOUR] = tm->tm_hour;
106 data[RTC_WEEKDAY] = 1 << tm->tm_wday;
107 data[RTC_DATE] = tm->tm_mday;
108 data[RTC_MONTH] = tm->tm_mon + 1;
109 data[RTC_YEAR] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0;
110
111 if (tm->tm_year < 100) {
110 pr_warn("%s: MAX8997 RTC cannot handle the year %d."
111 "Assume it's 2000.\n", __func__, 1900 + tm->tm_year);
112 pr_warn("RTC cannot handle the year %d. Assume it's 2000.\n",
113 1900 + tm->tm_year);
112 return -EINVAL;
113 }
114 return 0;
115}
116
117static inline int max8997_rtc_set_update_reg(struct max8997_rtc_info *info)
118{
119 int ret;

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419 __func__, ret);
420 return;
421 }
422
423 max8997_rtc_set_update_reg(info);
424
425 val = 0;
426 max8997_read_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, &val);
114 return -EINVAL;
115 }
116 return 0;
117}
118
119static inline int max8997_rtc_set_update_reg(struct max8997_rtc_info *info)
120{
121 int ret;

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421 __func__, ret);
422 return;
423 }
424
425 max8997_rtc_set_update_reg(info);
426
427 val = 0;
428 max8997_read_reg(info->rtc, MAX8997_RTC_WTSR_SMPL, &val);
427 pr_info("%s: WTSR_SMPL(0x%02x)\n", __func__, val);
429 pr_info("WTSR_SMPL(0x%02x)\n", val);
428}
429
430static int max8997_rtc_init_reg(struct max8997_rtc_info *info)
431{
432 u8 data[2];
433 int ret;
434
435 /* Set RTC control register : Binary mode, 24hour mdoe */

--- 101 unchanged lines hidden --- 		430}
431
432static int max8997_rtc_init_reg(struct max8997_rtc_info *info)
433{
434 u8 data[2];
435 int ret;
436
437 /* Set RTC control register : Binary mode, 24hour mdoe */

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